What I can say from the error is that the character is in a document
content at least (not a title, or an object) but it does not help much
reduce the scope.

You could try to find it with a SQL request I guess, need to find how
to search this specific character in a SQL request.

On Mon, Feb 22, 2016 at 2:01 PM, Thomas Mortagne
<thomas.morta...@xwiki.com> wrote:
> On Mon, Feb 22, 2016 at 12:46 PM, Peter John Acklam <pjack...@gmail.com> 
> wrote:
>> Avoiding this problem in the future would be nice, but I already have this
>> character in my wiki, and I need to get rid of it. I don't know how it got
>> there, but more importantly, I need to find it, so I can remove it. With no
>> XAR export, we can't do our planned transision from an Oracle to a
>> PostgreSQL database.
>>
>> As for the discussion on markmail.org – I have registered there, but I
>> can't find anything on the webpage that allows me to take part in the
>> discussion.
>
> Yes you can't write from markmail, was probably not the best link to give :)
>
> I think you can sent mails from nabble (through
> http://dev.xwiki.org/xwiki/bin/view/Community/Forum or
> http://xwiki.475771.n2.nabble.com/Should-we-move-to-XML-1-1-in-XAR-td7598066.html).
>
>>
>> Cheers,
>> Peter
>>
>>
>> 2016-02-22 12:15 GMT+01:00 Thomas Mortagne <thomas.morta...@xwiki.com>:
>>
>>> Starting a discussion on this subject on
>>> http://markmail.org/message/32vnzxchphr26phh.
>>>
>>> If you have more input on what is this character doing here please share
>>> there.
>>>
>>> On Mon, Feb 22, 2016 at 11:55 AM, Thomas Mortagne
>>> <thomas.morta...@xwiki.com> wrote:
>>> > Actually I do know why it's writting XML 1.0, that's because we tell it
>>> to...
>>> >
>>> > Did not know XML 1.0 was not supporting anything, I'm surprise we get
>>> > this kind of report only know.
>>> >
>>> > Anyway thanks for the report, will take care of this.
>>> >
>>> > On Mon, Feb 22, 2016 at 11:31 AM, Thomas Mortagne
>>> > <thomas.morta...@xwiki.com> wrote:
>>> >> What I understand from the error message is that Woodstox think it's
>>> >> writing XML 1.0 and looks like it's not possible to put anything you
>>> >> want in XML 1.0 but not sure why exactly. You happen to have a
>>> >> document containing some weird character (0x1) which is probably a
>>> >> mistake but still we should be able to export anything (especially
>>> >> when this anything can be stored in a String and in the database).
>>> >>
>>> >> In the meantime what you can try is to set the old exporter in
>>> >> xwiki.cfg (look at xwiki.action.export.xar.usewikistream property).
>>> >> Would be great if you could crate an issue on http://jira.xwiki.org
>>> >> with all the information you can gather about this bug.
>>> >>
>>> >>
>>> >> On Mon, Feb 22, 2016 at 10:18 AM, Peter John Acklam <pjack...@gmail.com>
>>> wrote:
>>> >>> I can no longer make a XAR export of our wiki. The essential error
>>> message
>>> >>> in catalina.out seems to be
>>> >>>
>>> >>> "Invalid white space character (0x1) in text to output (in xml 1.1,
>>> could
>>> >>> output as a character entity)"
>>> >>>
>>> >>> Alas, there is no information about which wiki page contains this
>>> invalid
>>> >>> character. I can, of course, export parts of the wiki and repeat the
>>> >>> process until I find the offending page, but I suspect there has got
>>> to be
>>> >>> a more efficient way.
>>> >>>
>>> >>> The full, relevant section of catalina.out on our test server is
>>> included
>>> >>> below.
>>> >>>
>>> >>> Thanks in advance for any tips!
>>> >>>
>>> >>> Cheers,
>>> >>> Peter John Acklam
>>> >>>
>>> >>>
>>> >>> 2016-02-19 09:36:17,163 [
>>> >>>
>>> http://wiki-test/xwiki/bin/export/XWiki/XWikiPreferences?editor=globaladmin&section=Export
>>> ]
>>> >>> WARN c.x.x.w.XWikiAction - Uncaught exception: Error number 11015 in
>>> 11:
>>> >>> Exception while exporting
>>> >>> com.xpn.xwiki.XWikiException: Error number 11015 in 11: Exception while
>>> >>> exporting
>>> >>> at com.xpn.xwiki.web.ExportAction.render(ExportAction.java:84)
>>> >>> ~[xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:417)
>>> >>> [xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:184)
>>> >>> [xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>>> >>> [struts-core-1.3.10.jar:1.3.10]
>>> >>> at
>>> >>>
>>> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>>> >>> [struts-core-1.3.10.jar:1.3.10]
>>> >>> at
>>> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>>> >>> [struts-core-1.3.10.jar:1.3.10]
>>> >>> at
>>> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
>>> >>> [struts-core-1.3.10.jar:1.3.10]
>>> >>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
>>> >>> [servlet-api.jar:na]
>>> >>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
>>> >>> [servlet-api.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
>>> >>> [xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
>>> >>> [xwiki-platform-wysiwyg-server-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
>>> >>> [tomcat-websocket.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>>> >>> [xwiki-platform-container-servlet-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)
>>> >>> [xwiki-platform-webdav-server-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>>> >>> [xwiki-platform-container-servlet-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>>> >>> [xwiki-platform-container-servlet-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)
>>> >>> [xwiki-platform-resource-servlet-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:521)
>>> >>> [catalina.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1096)
>>> >>> [tomcat-coyote.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:674)
>>> >>> [tomcat-coyote.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
>>> >>> [tomcat-coyote.jar:8.0.30]
>>> >>> at
>>> >>>
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
>>> >>> [tomcat-coyote.jar:8.0.30]
>>> >>> at
>>> >>>
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>>> >>> [na:1.8.0_66]
>>> >>> at
>>> >>>
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>>> >>> [na:1.8.0_66]
>>> >>> at
>>> >>>
>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>>> >>> [tomcat-util.jar:8.0.30]
>>> >>> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
>>> >>> Caused by: org.xwiki.filter.FilterException: Failed to write element
>>> >>> at
>>> >>>
>>> org.xwiki.filter.xml.internal.output.FilterStreamXMLStreamWriter.writeCharacters(FilterStreamXMLStreamWriter.java:158)
>>> >>> ~[xwiki-commons-filter-xml-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.xml.internal.output.FilterStreamXMLStreamWriter.writeElement(FilterStreamXMLStreamWriter.java:145)
>>> >>> ~[xwiki-commons-filter-xml-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.xar.internal.output.XAROutputFilterStream.beginWikiDocumentRevision(XAROutputFilterStream.java:349)
>>> >>> ~[xwiki-platform-filter-stream-xar-7.4.1.jar:na]
>>> >>> at sun.reflect.GeneratedMethodAccessor601.invoke(Unknown Source)
>>> ~[na:na]
>>> >>> at
>>> >>>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>> >>> ~[na:1.8.0_66]
>>> >>> at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_66]
>>> >>> at org.xwiki.filter.internal.FilterProxy.invoke(FilterProxy.java:90)
>>> >>> ~[xwiki-commons-filter-api-7.4.1.jar:na]
>>> >>> at org.xwiki.filter.internal.FilterProxy.invoke(FilterProxy.java:63)
>>> >>> ~[xwiki-commons-filter-api-7.4.1.jar:na]
>>> >>> at com.sun.proxy.$Proxy88.beginWikiDocumentRevision(Unknown Source)
>>> ~[na:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.XWikiDocumentLocaleEventGenerator.writeRevision(XWikiDocumentLocaleEventGenerator.java:167)
>>> >>> ~[xwiki-platform-filter-instance-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.XWikiDocumentLocaleEventGenerator.write(XWikiDocumentLocaleEventGenerator.java:116)
>>> >>> ~[xwiki-platform-filter-instance-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.XWikiDocumentLocaleEventGenerator.write(XWikiDocumentLocaleEventGenerator.java:55)
>>> >>> ~[xwiki-platform-filter-instance-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.AbstractBeanEntityEventGenerator.write(AbstractBeanEntityEventGenerator.java:114)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.input.AbstractEntityEventGenerator.write(AbstractEntityEventGenerator.java:77)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.DocumentInstanceInputEventGenerator.beginWikiDocument(DocumentInstanceInputEventGenerator.java:107)
>>> >>> ~[xwiki-platform-filter-instance-oldcore-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.InstanceInputFilterStream.writeDocument(InstanceInputFilterStream.java:229)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.InstanceInputFilterStream.writeSpace(InstanceInputFilterStream.java:195)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.InstanceInputFilterStream.writeWiki(InstanceInputFilterStream.java:161)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.InstanceInputFilterStream.read(InstanceInputFilterStream.java:130)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.instance.internal.input.InstanceInputFilterStream.read(InstanceInputFilterStream.java:54)
>>> >>> ~[xwiki-platform-filter-instance-api-7.4.1.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:80)
>>> >>> ~[xwiki-commons-filter-api-7.4.1.jar:na]
>>> >>> at com.xpn.xwiki.web.ExportAction.exportXAR(ExportAction.java:337)
>>> >>> ~[xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> at com.xpn.xwiki.web.ExportAction.render(ExportAction.java:77)
>>> >>> ~[xwiki-platform-legacy-oldcore-7.4.1.jar:na]
>>> >>> ... 50 common frames omitted
>>> >>> Caused by: com.ctc.wstx.exc.WstxIOException: Invalid white space
>>> character
>>> >>> (0x1) in text to output (in xml 1.1, could output as a character
>>> entity)
>>> >>> at
>>> >>>
>>> com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:458)
>>> >>> ~[woodstox-core-asl-4.4.1.jar:4.4.1]
>>> >>> at
>>> >>>
>>> javanet.staxutils.IndentingXMLStreamWriter.writeCharacters(IndentingXMLStreamWriter.java:209)
>>> >>> ~[stax-utils-20070216.jar:na]
>>> >>> at
>>> >>>
>>> org.xwiki.filter.xml.internal.output.FilterStreamXMLStreamWriter.writeCharacters(FilterStreamXMLStreamWriter.java:156)
>>> >>> ~[xwiki-commons-filter-xml-7.4.1.jar:na]
>>> >>> ... 72 common frames omitted
>>> >>> Caused by: java.io.IOException: Invalid white space character (0x1) in
>>> text
>>> >>> to output (in xml 1.1, could output as a character entity)
>>> >>> at
>>> >>>
>>> com.ctc.wstx.api.InvalidCharHandler$FailingHandler.convertInvalidChar(InvalidCharHandler.java:55)
>>> >>> ~[woodstox-core-asl-4.4.1.jar:4.4.1]
>>> >>> at com.ctc.wstx.sw.XmlWriter.handleInvalidChar(XmlWriter.java:629)
>>> >>> ~[woodstox-core-asl-4.4.1.jar:4.4.1]
>>> >>> at
>>> >>>
>>> com.ctc.wstx.sw.BufferingXmlWriter.writeCharacters(BufferingXmlWriter.java:586)
>>> >>> ~[woodstox-core-asl-4.4.1.jar:4.4.1]
>>> >>> at
>>> >>>
>>> com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:456)
>>> >>> ~[woodstox-core-asl-4.4.1.jar:4.4.1]
>>> >>> ... 74 common frames omitted
>>> >>> _______________________________________________
>>> >>> users mailing list
>>> >>> users@xwiki.org
>>> >>> http://lists.xwiki.org/mailman/listinfo/users
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Thomas Mortagne
>>> >
>>> >
>>> >
>>> > --
>>> > Thomas Mortagne
>>>
>>>
>>>
>>> --
>>> Thomas Mortagne
>>> _______________________________________________
>>> users mailing list
>>> users@xwiki.org
>>> http://lists.xwiki.org/mailman/listinfo/users
>>>
>> _______________________________________________
>> users mailing list
>> users@xwiki.org
>> http://lists.xwiki.org/mailman/listinfo/users
>
>
>
> --
> Thomas Mortagne



-- 
Thomas Mortagne
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